Business segment data

9 Months Ended

Sep. 30, 2012

Business segment data

Note 17. Business segment data

Revenues by segment for the third quarter and first nine months of 2012 and 2011 were as follows (in millions).

	Third Quarter					First Nine Months
	2012		2011			2012		2011
Operating Businesses:
Insurance group:
Premiums earned:
GEICO	$	4,240	$	3,907		$	12,388	$	11,400
General Re		1,445		1,438			4,342		4,319
Berkshire Hathaway Reinsurance Group		2,578		1,839			6,983		7,051
Berkshire Hathaway Primary Group		588		461			1,631		1,306
Investment income		981		1,042			3,436		3,718
Total insurance group		9,832		8,687			28,780		27,794
BNSF		5,343		4,961			15,407		14,284
Finance and financial products		1,006		995			2,981		2,899
Marmon		1,795		1,800			5,451		5,255
McLane Company		9,534		8,708			26,611		24,919
MidAmerican		3,076		2,867			8,718		8,425
Other businesses *		9,616		7,951			28,800		23,168
		40,202		35,969			116,748		106,744
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		799		(2,351	)		752		(1,382	)
Eliminations and other		49		121			243		371
	$	41,050	$	33,739		$	117,743	$	105,733

Earnings before income taxes by segment for the third quarter and first nine months of 2012 and 2011 were as follows (in millions).

	Third Quarter						First Nine Months
	2012			2011			2012			2011
Operating Businesses:
Insurance group:
Underwriting gain (loss):
GEICO	$	435		$	114		$	714		$	610
General Re		154			148			373			(46	)
Berkshire Hathaway Reinsurance Group		(102	)		1,375			320			(322	)
Berkshire Hathaway Primary Group		121			58			243			168
Net investment income		976			1,038			3,421			3,703
Total insurance group		1,584			2,733			5,071			4,113
BNSF		1,508			1,236			3,903			3,271
Finance and financial products		175			147			527			480
Marmon		293			257			869			752
McLane Company		130			124			305			311
MidAmerican		542			489			1,349			1,260
Other businesses *		1,210			964			3,609			2,615
		5,442			5,950			15,633			12,802
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		799			(2,351	)		752			(1,382	)
Interest expense, excluding interest allocated to operating businesses		(52	)		(61	)		(196	)		(162	)
Eliminations and other		(253	)		(175	)		(707	)		(396	)
	$	5,936		$	3,363		$	15,482		$	10,862

* Includes Lubrizol from the acquisition date of September 16, 2011.